If a= √5-1//5+1 and b= √5+1/√5-1, Find a + b...? Mcqs

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If a= √5-1//5+1 and b= √5+1/√5-1, Find a + b...?

(A) 2
(B) 4

(C) 6
(D) 8

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If a person reads 3/8 of a book in a day. Next day he reads 4/5 of the rest. Now 40 pages are left. How many pages are there in book...?

(A) 240
(B) 320

(C) 360
(D) 380

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A student obtain 75%, 80% and 85% in three subjects, if the marks of another subject are added then the number can't be less than...?

(A) 60%
(B) 70%

(C) 80%
(D) None of these

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125 men completed a task in 120 days how many men will complete the same task in 100days...?

(A) 100
(B) 200

(C) 250
(D) None of these

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If a + b + c = 0 then value of [ a + b / c +b+c/a + c + a / b ][ a / b + c + b / c + a + c / a + b] is:...?

(A) 8
(B) -3

(C) 9
(D) 0

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BY converting 75% into fraction the answer will be...?

(A) 3/4
(B) 2/3

(C) 1/3
(D) 1/4

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The Area of Trapezium is..

(A) 1/2*base*height
(B) 1/2*base area*height

(C) 1/2*sum of parallel sides*height
(D) 1/2*sum of parallel sides

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If 3 ^ [x + 3] + 7 = 250 then x is equal to...?

(A) 5
(B) 3

(C) 2
(D) None of these

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What number will come next 1, 2, 4, 8, 16 ...?

(A) 30
(B) 34

(C) 32
(D) 31

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A fort had provision of food for 150 men for 45 days. After 10 days 25 men left the fort. The number of days for which the remaining food will last is...?

(A) 41
(B) 42

(C) 43
(D) 44

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